Method of tying mattresses



Oct. 17, 1933.

E. L. M ROSKEY METHOD OF TYING MATTRESSES Filed June 24, 1931 INVENTOR. Edwafd L M-- as/fey.

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Patented Oct. 17,- 1933 3 METHOD or TYING MA'm'nnssEs 'Edward 1.. McRoskey, San Francisco, Calif. Application June 24, 1931. Serial No. 546,576

9 Claims. (01. 45138) I I vention to carry out the tying operation without the use of tufts or buttons. Twine or tape serves as the tying strands, and I arrange the stitch tervals in parallel rows. The length of the twine or tape is determined by novel gauging means hereinafter described so as to produce a mattress of uniform thickness and tension and eliminate the strand waste from present tufting methods. The strands are drawn through the mattress while the latter is in a compressed state, and the ends of the strands are then tied together over a gauge. The knot is subsequently moved so as to dispose the same on the interior of .the

' mattress, thus enhancing ,the appearance of the finished mattress.

Other objects will appear as the specification proceeds, and the novel features will be pointed out in the appended claims.

My invention is illustrated in the accompanying drawing, forming a part of this application, in which V Figure 1 is a plan of a mattress making device to disclose the mattress;

Figure 2 is an elevation thereof; and

Figures 3 to 6, inclusive, illustrate thesuccessive stages through which the mattresses pass dur- 40 ing the tying operation. Figure 6 also shows a slight modification of the finished product.

In carrying my invention into practice, I make use of a mattress compressing device I, and comprising upper and lower frames A and B, respectively, having a plurality of aligned cups 2 secured thereto, and mdans indicated generally at 3 for moving the frames toward and away from each other. Guides 4 are arranged in the manner shown in Figure 1 so as to maintain the so frames in parallel relation during the movement of the latter. 1

It will be noted that threaded rods 5 are rotatably carried by the lower frame, and extend through threaded openings in lugs 6, the latter being anchored to the upper frame. Any suittress making machine.

span of uniform length and 'at predetermined in-' 1 which I employ, parts being broken away so as' able means (not shown) may be employed for rotating the rods in unison. The upper frame is raised or lowered in accordance with the direction of rotation of the rods. The entire structure is revolvably supported in bearings '1, the 00 latter being carried by standards 8. One means for moving the frames toward and away from each other is shown in my copending application, Serial No. 447,281, filed April 25, 1930, on a Mata The frames preferably consist of longitudinally and transversely extending bars 9 and 10, respectively, whichare secured together at their intersections so as to provide a grid having su'bstantially square openings 11 therein. The cups (0 2 are mounted on the frames in alternate squares with the cups in one row staggered relative to those inthe adjacent row; These cups are disclosed as being pyramidal in shape, and it will be observed that the cups in the two frames are aligned, and are adapted for compressing a mattress 12 tlierebetween.

The parts thus far described'form no part of the present invention, except insofar as they cooperate to produce the steps of the method.

It will be seen that the cups automatically indent the mattress on both sides simultaneously at all places where tying strands are to. be secured, and that the compressed areas are disposed in longitudinal and transverse alignment at regularly spaced intervals.

Slots 13 are fashioned in the bottom 14 of the pyramidal-shaped cups, and serve as guide means for allowing the introduction of a needle 15 through the mattress. A tying strand 0, which may be tape, twine, ribbon or other suitable material, is threaded through the eye of the needle, I and drawn downwardly through the mattress ad jacent to one end of the slot. The strand is then reentered, and drawn upwardly to the initial surface of entrance. The strands thus present U- shapes, and the legs of the U are spaced by the length-of the slot 13. The spacing of the legs determines the stitch span. M v

In Figures 1 and 4, I show a gauge 16 arranged 101 over two adjacent bars 10 of the upper frame.

thickness and tension when released from the apparatus. Ill

The ends "of the knotted portion are now trimmed, and the gauge removed. The endwise taper of the gauge facilitates the withdrawal of g the same from the looped part of the. strand.

Subsequently, the operator moves the strand in -spring filled mattress.

the direction of the arrow a in Figure 5 in order that the knot 17 may be accommodated within the interior of the mattress, and. thus be hidden from view.

After-all of the strands aretied and turned in the manner just described, the frames A and B are separated, and the mattress shown in Figure 6 results. The mattress may be of any conven tional construction, and in this latter figure, I have diagrammatically shown a portion of a From the foregoing description of the various parts of the apparatus and the steps included in the method, the operation of the same may be readily understood. The exposed'looped ends of the tying strands or the stitch span are uniform in length and are disposed in alignment at spaced of the invention it should be understood that various changes or modifications may be made with in the scope of the claims hereto'attached, without departing from the spirit of the invention.

I claim:

1. A tufting machine comprising mattresscompressing members for designating the places to .be tufted throughout the entire mattress, and

a removable gauge for determining the length of the looped strand in the mattress. 2. The herein described method of tying a mattress which consists in simultaneously compressing the same at spaced points, drawing strands through the compressed sections one at a time to form loops having their free ends projecting from one face of the mattress and tying the ends of each loop at a uniform distance away from the mattress.

3. Amachine of the character described comprising a pair of coacting frames having means for simultaneously compressing a mattress at spaced points and means for supporting a tie gauging member relative to each point of compression.

4. A machine of the character described comprising a pair of coacting frames having means for simultaneously compressing a mattress at spaced points and bars arranged on one of said frames on opposite sides of each point of compression for supporting a tie gauging member thereon.

5. The method of tufting a mattress 'comprising the steps of simultaneouslycompressing a mattress at spaced points and of passing tufting elements through the mattress at the spaced points one at a time.

6. The method of tufting a mattress comprising the steps of simultaneously compressing'a mattress at spaced points, of passing tufting elements through the mattress at the spaced points one at a time and of gauging each element for ,uniform length with the other elements. 7

7. The method of tufting a mattress comprising the steps of simultaneously compressing a mattress at spaced points, of passing tufting elements through the mattress at the spaced points one at a time, and of gauging the secured length of each element for uniform length with the other elements.

8. The method of tufting a mattress comprising the steps of compressing a mattress at spaced points while it is in horizontal position, of arranging the' compressed mattress in Vertical position and ofsecuring tufting elements in the .mattress at the spaced points while the mattress is held in vertical position.

9. The method of tufting a mattress which comprises the steps of compressing the mattress at spaced points while it is in a horizontal posi tion, of arranging the compressed mattress in vertical position, of securing tufting elements in the mattress at the spaced points, of returning the mattress to horizontal position and of re leasing the mattress.

' EDWARD L. MCROSKEY. 

